<template>
  <div>
    <h3>child组件</h3>
  </div>
</template>

<script>
export default {
  data() {
    return {
      title: '我是child组件中的数据'
    }
  },
  methods: {
    setTitle(title) {
      this.title = title+'#####3'
      return this.title
    }
  }
}
</script>

<style lang="scss" scoped></style>
